Synovialfluid
滑液
🗣️ 情景例句
Thank you. I don't believe this.
谢谢。我简直不敢相信。
A wilful man will have his way.
有志者是竟成。
You'd better go to bed earlier tonight, if you can.
如果可能，你今晚最好早点儿睡觉。